Ring Ouzel (Turdus torquatus) Science Article 2
abstract
The 2008 survey was the ninth year in which a detailed study had been made of the ring ouzel Turdus torquatus torquatus (RZ) population in the North York Moors National Park and continued the work started in 1999 (foot & mouth preventing work in 2001). The findings of these studies were submitted to various bodies including the North York Moors National Park Authority, the RSPB Ring Ouzel Study Group, Natural England (York office) and the land owner and head keeper of Spaunton Estate.
Kendrick S. Hutchinson and Victor Fairbrother, North York Moors National Park